I owned a 32' class C Four Winds for many years before moving up to an A, and pretty much comfort was always outside conditions, roads and how many occupants., your animas are occupants. If we went across the US in the northern region dash ac worked good until you hit the Rockies, then before getting there would turn the house ac's as low as they would go. Hit the rockies with only the house ac, turned off the cab ac.
Going the southern route, because of the higher humidity, eastern US to Northern Texas, we used both. between the higher humidity and higher heat it took both to be comfortable. Only turned off the cab ac when we went into the Smokies. Same thing with parts of the Appalachian hills.
Oh the doghouse was insulated very well, that was the biggest help of all.
I hope this helps a little,
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